"I see yo punk ass low key sneak dissin me!".One rapper who sneak disses alot is Jay Z. On one track of Blueprint 3 he refers to Dame Dash by saying "Hey lucky lefty!Kiss the wife goodnight for me!(laugh)" referring to dame dash's divorce.
The act of not only disagreeing with someone's opinion or point of view, but "dissin" (insulting) them at the same time.
Trump Supporter - "I really think Trump would make a great President"
Everyone else in the World - "Are you high or something or are you just a complete bigot?"
Trump Supporter - "Why you gotta be hostile and dissin-agreeing?"